package com.dubito.concurrency.example.singleton;

import com.dubito.concurrency.annotation.NoThreadSafe;
import com.dubito.concurrency.annotation.ThreadSafe;

/**
 * @author liliang
 * @description: 饿汉模式
 * @date 2018/6/24.
 */
@ThreadSafe
public class SingletonExample6 {

    /**
     *  私有构造
     */
    private SingletonExample6(){}

    /**
     * 单例对象
     */
    private static SingletonExample6 instance = null;

    static {
        instance = new SingletonExample6();
    }

    /**
     * 静态的工厂方法
     * @return
     */
    public static SingletonExample6 getInstance () {
        return instance;
    }

    public static void main(String[] args) {
        System.out.println(getInstance().hashCode());
        System.out.println(getInstance().hashCode());
    }
}
